Description
Class C08F : MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
Subclass 2/00: Processes of polymerisation
C08F 2/00
Sub-Class
Stats
- 1,503 US PATENTS IN FORCE
- 70 US APPLICATIONS PENDING
- 375 Total Patent Owners
- 7,139 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12258429 | C2C3 random copolymer composition | May 20, 20 | Mar 25, 25 | Borealis AG |
| 12258465 | Polyethylene composition for high pressure resistant pipes with improved homogeneity | Oct 22, 19 | Mar 25, 25 | Borealis AG |
| 12252570 | Core-shell flow improver | May 13, 21 | Mar 18, 25 | LiquidPower Specialty Products Inc. |
| 12240923 | Suspension process for preparing ethylene polymers comprising work-up of the suspension medium | May 28, 20 | Mar 04, 25 | Basell Polyolefine GmbH |
| 12240963 | Process for preparation of polyethylene | Oct 14, 19 | Mar 04, 25 | Sabic Global Technologies B.V. |
| 12234351 | Random propylene polymer composition and use in extrusion blow moulding | Jan 15, 20 | Feb 25, 25 | Borealis AG |
| 12227601 | Polymeric materials | Jan 31, 20 | Feb 18, 25 | Innospec Limited |
| 12209149 | Continuous preparation system of conjugated diene-based polymer | Dec 24, 20 | Jan 28, 25 | LG Chem, Ltd. |
| 12209198 | Latex polymer with improved washability and block resistance | Aug 29, 22 | Jan 28, 25 | SWIMC, LLC |
| 12202956 | Bimodal polyethylene-based composition | Aug 19, 20 | Jan 21, 25 | Dow Global Technologies LLC |
| 12195562 | Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor | Nov 01, 23 | Jan 14, 25 | Chevron Phillips Chemical Company LP |
| 12163012 | Polyethylene compositions and articles with good barrier properties | Jan 24, 20 | Dec 10, 24 | NOVA CHEMICALS (INTERNATIONAL) SA |
| 12157109 | Methods for making supported chromium catalysts with increased polymerization activity | May 03, 23 | Dec 03, 24 | Chevron Phillips Chemical Company LP |
| 12115506 | Catalyst slurry mixing process and system | Aug 21, 23 | Oct 15, 24 | Chevron Phillips Chemical Company LP |
| 12110394 | Aqueous polymer dispersion and process of making the same | Jun 13, 19 | Oct 08, 24 | Dow Global Technologies LLC; Rohm and Haas Company; DOW SILICONES CORPORATION; |
| 12098717 | Device and method for the provision of pressurized medium for injection into a high pressure process | May 29, 20 | Sep 24, 24 | Uhde High Pressure Technologies GmbH; THYSSENKRUPP AG; |
| 12091474 | Method for producing polydienes with reduced cold flow | Jan 28, 20 | Sep 17, 24 | BRIDGESTONE AMERICAS TIRE OPERATIONS, LLC |
| 12091475 | Process for preparation of multimodal polyolefin | Sep 12, 19 | Sep 17, 24 | Sabic Global Technologies B.V. |
| 12071493 | Polypropylene-ultrahigh-molecular-weight-polyethylene compositions | May 07, 19 | Aug 27, 24 | Borealis AG |
| 12071496 | Aqueous copolymer dispersions and their use in coating compositions | Feb 27, 20 | Aug 27, 24 | CELANESE INTERNATIONAL CORPORATION |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0115,692 | OLEFIN-BASED POLYMER | Oct 01, 24 | Apr 10, 25 | Not available |
| 2025/0109,217 | MULTIMODAL ETHYLENE-BASED COPOLYMER COMPOSITIONS AND PROCESSES OF PRODUCING | Dec 29, 22 | Apr 03, 25 | Dow Global Technologies LLC |
| 2025/0109,287 | HIGH FLOW POLYPROPYLENE COMPOSITION FOR INJECTION MOULDING APPLICATIONS | Mar 21, 23 | Apr 03, 25 | Not available |
| 2025/0101,211 | POLYETHYLENE COMPOSITIONS | Jan 13, 22 | Mar 27, 25 | Dow Global Technologies LLC |
| 2025/0092,177 | BINDER COMPOSITIONS AND METHODS OF PREPARING AND USING THE SAME | Nov 25, 24 | Mar 20, 25 | Not available |
| 2025/0075,016 | PELLETIZED ETHYLENE/a-OLEFIN COPOLYMER PRODUCT | Dec 13, 22 | Mar 06, 25 | NOVA CHEMICALS (INTERNATIONAL) SA |
| 2025/0059,303 | Method of Suppressing Plugging in Manufacturing Process of Ethylene-Acrylic Acid Copolymer | Aug 14, 24 | Feb 20, 25 | Not available |
| 2025/0051,497 | PROCESS FOR PREPARING ETHYLENE POLYMERS IN A SLURRY POLYMERIZATION | Dec 20, 22 | Feb 13, 25 | Basell Polyolefine GmbH |
| 2025/0051,560 | RUBBER-REINFORCED VINYLAROMATIC (CO)POLYMERS AND PROCESS FOR THE PREPARATION THEREOF | Dec 05, 22 | Feb 13, 25 | Not available |
| 2025/0043,035 | METHOD TO IMPROVE THE OPTICAL PROPERTIES OF ETHYLENE COPOLYMER COMPOSITIONS | Jan 13, 23 | Feb 06, 25 | NOVA CHEMICALS (INTERNATIONAL) SA |
| 2025/0002,614 | PROCESS FOR PREPARING LOW MOLECULAR WEIGHT POLYACRYLATES AND PRODUCTS THEREOF | Jun 29, 22 | Jan 02, 25 | Evonik Operations GmbH |
| 2024/0417,492 | METHODS OF MAKING BIMODAL POLYETHYLENES | Oct 25, 22 | Dec 19, 24 | Univation Technologies, LLC |
| 2024/0417,493 | PROCESS FOR PREPARING POLYMETHYLMETHACRYLATE CONTAINING HIGH CONCENTRATION OF GADOLINIUM OXIDE NANOMETRIC PARTICLES | Nov 03, 22 | Dec 19, 24 | ISTITUTO NAZIONALE DI FISICA NUCLEARE; UNIVERSITA' DEGLI STUDI DI GENOVA; |
| 2024/0399,342 | Methods for Making Supported Chromium Catalysts with Increased Polymerization Activity | Aug 12, 24 | Dec 05, 24 | Not available |
| 2024/0400,724 | MULTI-STAGE POLYMERIC LATEXES, COATING COMPOSITIONS CONTAINING SUCH LATEXES, AND ARTICLES COATED THEREWITH | May 06, 24 | Dec 05, 24 | Not available |
| 2024/0400,729 | ETHYLENE POLYMERIZATION PROCESSES AND REACTOR SYSTEMS FOR THE PRODUCTION OF MULTIMODAL POLYMERS USING COMBINATIONS OF A LOOP REACTOR AND A FLUIDIZED BED REACTOR | Aug 15, 24 | Dec 05, 24 | Not available |
| 2024/0392,044 | OLEFIN POLYMERIZATION CATALYST SYSTEM AND POLYMERIZATION PROCESS | Sep 16, 22 | Nov 28, 24 | NOVA CHEMICALS (INTERNATIONAL) SA |
| 2024/0368,320 | AQUEOUS COPOLYMER DISPERSIONS AND THEIR USE IN COATING COMPOSITIONS | Jul 19, 24 | Nov 07, 24 | CELANESE INTERNATIONAL CORPORATION |
| 2024/0360,257 | POLYPROPYLENE-ULTRAHIGH-MOLECULAR-WEIGHTS-POLYETHYLENE COMPOSITIONS | Jul 11, 24 | Oct 31, 24 | Not available |
| 2024/0343,838 | METHOD FOR PREPARING OPACIFYING PIGMENT-BINDER HYBRID POLYMER PARTICLES | Nov 18, 22 | Oct 17, 24 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 34 Months (last 2 years Issuances)
- 34 Months (last 5 years Issuances)